Psychedelic monographs and essays - vol 6

The National Survey on Drug Use and Health (NHSDA) in 2010 estimated that the percentage of the population aged 18 to 25 who had ever used LSD (the lifetime prevalence rate) was percent, down from percent in 2002. In 2010, the number for past-year initiates of LSD among the population 12 years and older was 377,000, similar to the number in 2009 (337,000), but higher than the estimates from 2003 to 2007 (ranging from 200,000 to 270,000). Past year and past month use of LSD was percent and percent, respectively, for youth in 2010, similar to rates in 2009. 1